/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2019 Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at legal/OPEN-SOURCE-LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package com.sun.enterprise.util.io;

import org.junit.Before;
import org.junit.Test;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class FileDeletionThreadTest {

    private Path dirToDelete;

    @Before
    public void setUpNonEmptyDirectoryStructure() throws Exception {
        dirToDelete = Files.createTempDirectory("deletion-test");
        final Path file = dirToDelete.resolve("file-l1.txt");
        Files.createFile(file);

        Path subDirectoryL2 = createNonEmptyDirectory(dirToDelete, "l2");
        Path subDirectoryL3 = createNonEmptyDirectory(subDirectoryL2, "l3");
        createNonEmptyDirectory(subDirectoryL3, "l4");
    }

    private Path createNonEmptyDirectory(Path parent, String level) throws IOException {
        final Path subDirectory = Files.createDirectory(parent.resolve("subDirectory" + level));
        Files.createFile(subDirectory.resolve("file-" + level + ".txt"));
        return subDirectory;
    }

    @Test
    public void testDirectoryDeletion() {
        FileDeletionThread fileDeletionThread = new FileDeletionThread();
        fileDeletionThread.add(dirToDelete.toFile());

        assertThat("Temp directory to delete does not exist.", Files.exists(dirToDelete), is(true));
        fileDeletionThread.run();
        assertThat("Temp directory still exists after deletion.", Files.exists(dirToDelete), is(false));
    }
}